Recently, sleep trackers have become very notable for their function, predominantly amongst people who do not find it easy to sleep. They serve sleep-specific purposes such as measuring night-time movement and the rate of heartbeat. Also, they keep track of snoring and other sleep-related and non-sleep-related sounds, as well as environmental noises, air quality, the temperature of the room, and levels of the light.
These days, the majority of the sleep trackers sold use highly advanced technologies, as they come with enhanced features; the sleep data they record, together with the detailed statistics they provide will allow the user to analyze his or her sleep routine and correct or modify it if need be to improve sleep quality. And, nearly all sleep trackers can be used with Smartphone apps too. And, you would be able to wear them (usually, on the wrist), or you might not (no-contact or non-wearable trackers). Such non-wearable trackers come with sleep-monitoring sensor strips, which you tuck on top of or under your bed.
To know more about the features, designs, and purposes of sleep trackers, continue reading. You’ll see our selections for the best sleep trackers recently available in the market below. And, our options are placed according to confirmed experiences of users and consumers, and intense research and analysis of the product.
The Best Sleep Trackers Table
The Best Sleep Trackers Reviews
Fitbit Charge 2 Heart Rate And Fitness Wristband
Ratings: 4.1 out of 5 stars
Customer Satisfaction: 76%
Item Weight: 1.28 ounces
The Fitbit Charge combines a sleep tracker and activity monitor, and it also functions as a watch. Additionally, it comes with a classy, easily readable touch screen, which allows you to see all critical data in a single aesthetically designed interface. It also holistically addresses health and fitness, as it includes directed sessions of breathing, reminders to move, a tracker for calorie burn and cardio fitness level reports. And, incredibly, it has a battery with an extended lifespan of about five days.
Currently, is model is one of the most expensive available, although it is the best amongst its counterparts in terms of function. Even with its high price, people continue to settle for the Fitbit Charge as they concur that it is efficient at accuracy and easy usage; it is very important necessities.
Auto tracking: automatically knows you are asleep.
Monitor of heart rate
Contemporary look, easy-to-read interface
Wireless connection with iPhone, Windows, and Android devices
Silent and vibration-oriented alarms
Calendar reminders for monitoring your fitness, health and sleep goals
Interchangeable bands for aesthetics
Sensitive to sweating, which sometimes means the device can’t detect your heart rate
The band is denser than other wearable devices
Fitbit Versa Smart Watch
Ratings: 3.8 out of 5 stars
Customer Satisfaction: 65%
Item Weight: 11.36 Ounces
In terms of excellence, the Fitbit is one notable product as it does not only show your sleep stages in an understandable and comprehensive graph, but it also compares the duration of your sleep stages to your demographic. This feature is indeed a very lovable one!
It also provides useful information, which can make the user at ease or help him or her notice that there is a problem.
Also, lovable, you can place a reminder so that you will not miss sleep plans and for your overall activeness throughout the day. With these features, you can practically improve your sleep quality.
Since it is also an activity tracker, it can also be used in the gym. Advantageously, you can use it to track your pulse, the number of calories you have burned, as it works on your wrist as a timer, and with on-screen workouts if you deem fit. And since it is water-resistant up to fifty meters, you can use it for swimming.
Also, you can store close to 300 songs to be listened to on Bluetooth, as well as use it for receiving notifications, contactless payment and for discovering an increasing number of Apps.
Finally, let’s talk about its general appearance, battery life, and screen. The Versa has an attractive appearance and relatively little weight, as well as an outstanding battery life of 4 days, and a gorgeous and sharp display.
Verifiably, the sleep tracking of the Versa is correct. Not only that it has a steady heart rate and movement tracking, but it also has outstanding battery life.
Interestingly, the Fitbit App offers you broken-down stages of your sleep, and some other helpful features, such as reminders for keeping a routine of sleep, and support for staying active during the day, which can improve the quality of your sleep.
Those of wh who either enjoy fitness, sleep tracking or would love a smartwatch with an increasing number of features and Apps, would undoubtedly love this high-quality wearable sleep tracker.
Attractive and heavy glass touch screen, with up to 1000units of intensity.
Automatic and rationally precise tracking of sleep.
Targeting against your personal 30-day typical rest and others with similar ages and genders.
Ability to focus on total sleep and sleep schedule, with vibrating reminders to enhance the pattern of your sleep.
The excellent battery life of 4 days.
Sleep insights for the improvement of your sleep.
Water resistant up to 50 meters.
Several different clock and display options to choose from.
App, which shows 4 simplified sleep stages: awake, light, deep and REM, plus time used up in individual steps, waking-ups and the sum time of sleep.
Outstanding tracking of fitness, plus on-screen pulse, calories burned and tracking of specific exercise. Keeps track of heart rate while resting, heart rate trends in due course, and cardio fitness.
Slow music transfer.
Not easy to know the real accuracy of the sleep stage tracking (familiar with all sleep trackers).
Intermittent and sluggish syncing, which needs a bit of patience.
Compared to the Ionic, there is no inbuilt GPS for distance sports.
Withings Sleep Sleep Tracking Pad
Ratings: 3.9 out of 5 stars
Customer Satisfaction: 75%
Item Weight: 9.6 ounces
Wearable sleep trackers have one major problem-battery, because of the numerous activities and programs they run daily. However, implausibly, the Withings Steel HR Hybrid Smartwatch can last for up to 25 days! This battery life is undoubted, longer than that of an average sleep tracker’s. And, its advanced technology allows it to monitor the fall-asleep duration of the wearer, the sleep period of the wearer, and the sleep interruptions that cause the wearer to wake up at intervals. And, it provides the wearer with each sleep stage data.
Besides, people who have a keen interest in fitness will enjoy this watch, as it is familiar with over 30 different workout types and physical activities with information for every event it suggests. Also, it is up to 50 meters water resistant, and so, it is ideal for swimmers also. If you need an alarm to wake up, the watch will lightly vibrate at the time which you have set initially before sleeping. In appearance, the watch has a seconds sub dialed clean face, a case of rose gold, and a smooth leather band. Concisely, it comes with a guarantee of 1 year.
It connects with smart home via IFTTT.
Easy tracker and App set up.
Automatic and no-contact sleep tracking; merely plug in and leave it running.
Easy usage and neat App interface.
Illustrates key points, such as total sleep score, fall-asleep time, sleep deepness and interruptions.
Functional and custom-made sleep coaching, particularly for the schedule of sleep.
Monitors sleep stages, including light, deep and REM, notifying you of overall time and percentages in each.
Takes note of snoring and heart rate.
Displays the sleep statistics in visual graphs.
No alarm function
Sometimes likens bed-relaxing to sleep.
Does not take note of bed exits regularly, if the duration is short.
Hard determination of precise times of sleep stages occurrences on the graphs
Graph requires careful tapping to show more information
Beautyrest Sleeptracker Monitor
Ratings: 4.1 out of 5 stars
Customer Satisfaction: 73%
Item Weight: 1 pounds
As it operates without contact, the Beautyrest sleep tracker consists of a measuring pad, which you put under your bed. Then, you have a little data processor connected to it, alongside a Smartphone App, where all the sleep data will transfer to.
Not only that it includes an easy setup, but it also contains videos on the APP, which will guide you through the course. Then, you will only be required to switch it on, go to bed and leave it to perform!
Its design supports its use by an average individual who has an interest in their sleep, as well as to offer you useful interpretations of the sleep data, alongside advice to improve the quality of your sleep. Thus, you will not have to rack your brain to know the meaning for the graphical representation.
Recently, we tested the Beautyrest together with the Fitbit, EMFIT and my manual sleep diary. We discovered that it was always accurate for the computations we could verify for accuracy, including the time we woke up and fell asleep, and the precise times we woke up at night.
The most important part of it all was that Beautyrest did not confuse bed-relaxation as sleep. We conducted a rigorous test for a week, and surprisingly, it made only one small sleep-converted mistake this morning. Moreover, this result is outstanding, compared to its counterparts.
Furthermore, it was handy at determining my waking at night, even to my significant movements almost every time. So, i now trust this device more that although the sleep stage data is estimated, it is a reliable estimate.
However, in spite of the sleep stage data, the Beautyrest succeeds in one significant aspect of sleep coaching. Contrast to many other gadgets, including Fitbit, that give too short or too general coaching; this particular model provides results, which are specified according to your results.
Advantageously, the quality of the coaching improves as you provide more information for it. Consequentially, if you respond to the day-to-day lifestyle survey, you will be provided with more advice on how your sleep quality deteriorates on days without exercise or with stress.
As it includes a second measuring pad for a bed partner, it is still the sleep tracker we would recommend for the majority of people.
Monitors breathing and heart rate.
Daily sleep coaching advice anchored in your outcomes, not just general suggestions.
No need for wearing it to sleep.
Practically accurate monitoring of total sleep time, fall-asleep and wake-up time, and disturbances at night.
Asks lifestyle questions, such as activity and stress, and then lets you know how they impact your sleep.
Hands-free sleep tracking, you can switch it on permanently, or at night.
It calculates four stages of sleep – awake, light, deep and REM stages.
Provides a summative score of sleep, according to the amount of sleep you say you require.
Easy-to-use Smartphone App with functional graphs and attractive visual outcomes.
Common to all trackers, you cannot determine the accuracy of the sleep stages.
It needs a constant connection with your home Wi-Fi.
Little yearly subscription to further interpret the data. However, I didn’t use this, because the primary data is ample.
Fitbit Alta HR Wristband Tracker
Ratings: 3.9 out of 5 stars
Customer Satisfaction: 70%
Item Weight: 16 Ounces
Principally, the significant advantage that the Fitbit Alta HR has over the majority of its counterparts is its thinner, smoother, modest appearance that you will almost not notice at all while in bed.
However its modest appearance has a disadvantage; it comes with fewer Apps, activity tracking and features. But, all these do not still mean that this incredible device does not perform splendidly; instead, they allow it to retain one of its implausible functionality - a 7-day battery life.
In a bid to try out Fitbit’s latest sleep tracking algorithm and software, we wore the Alta HR Throughout a month, and its accuracy was undoubtedly impressive.
In contrast to many other trackers which regularly made a mistake, the Fitbit seldom mistook bed-resting for sleep. Besides, when it comes to recording out wake-up and out-of-the-bed times, this model is rather handy.
Also, we are already in love with the latest breakdown if the sleep feature it offers on the app. incredibly, the Versa provides the breakdown f your sleep in details and does this according to your age.
Moreover, we sincerely enjoy the vibrating reminders which help us to stay active hourly throughout the day and also ensure we sleep strictly during our targeted bedtime. So far, the vibrations it makes reminds me that it is time for bed (we had already set a bedtime routine). Additionally, this feature will positively impact your health, as timely and quality sleep is key to well being and active body and mind, and a functional sleep routine will help you get just that kind of sleep!
However, you might not enjoy the Alta HR if you need wearables with fancy screens and several varieties of features. And, we do not also recommend it for fitness trackers, as it does not retain accuracy in terms of intense exercises and activities if it is even more ideal for you if you only need a wearable which is easy to use, simple and comfy on the wrist at night.
Consistent monitoring of heart rate.
Automatic and precise tracking of sleep.
Identical straps to additional appearance customization.
Determines total sleep duration, and time spent in different sleep stages, including awake, light, deep and REM.
Vibrating alarms for abiding by your set sleep schedule.
Vibrating reminders for getting up and moving if inactive for a long time.
Monitors steps, distances, activities, and calories burned.
Selectable call, calendar, and text alerts feature on the gadget.
Modifiable display, such as heart rate, steps, and clock.
This incredible App, like the Charge 2, displays broken down detailed stages of your sleep alongside target for your age and sex.
No built-in GPS, thus, phone-syncing necessary for monitoring and recording directions.
Not quite handy at heart rate monitoring during intense exercise.
Not waterproof. However, it is resistant to light rain and sweat.
Not many features on the touch screen.
How to Monitor Sleep?
If you want to monitor your sleep, you will need a gadget that can keep track of your movements, cycle, which is either light, deep or REM sleep, and report the quality and duration of your sleep at night. If you have this type of data at hand, it would be easier for you to know the quality of your sleep and note where to make improvements, if necessary. After you have done these regularly for an extended period, you can begin to compare your sleep quality with your activeness and concentration all through the day, with real information. Also, professional athletes use this data to plan the course of their workout.
Since we now know that our sleep quality is one of the essential factors to be met to achieve and maintain a healthy lifestyle, we should not be surprised if more people include sleep trackers in their everyday lives, as a habit.
Sleep Tracking Apps
To begin, you can either use a free App or spend a few dollars, usually around $2 to $3, on a paid app for monitoring sleep. You can get these apps on Android, iPhone and Apple Watches. User reviews are mixed, although this is an economical perspective to view patterns with.
Although people who have used the gadgets admit that in terms of the time in bed and out of bed, reports from Smartphones and Apple watchers are correct, they discovered that the part that tracks sleep does not give such accurate results. Also, couples should not use standalone apps, as you can never know if the detected movement is from you or your partner.
You should consider using a specially designed activity tracker is you are keen about your bedtime monitoring.
Wearable Trackers (Fitness)
As wearable technology is becoming popular over the years, it is now becoming more practical for people to wear their sleep trackers to sleep. Advantageously, these wearable devices offer more exciting features, other than being compact and wearable like regular watches. Additionally, they serve as activity and fitness monitor, as well as monitoring factors like calorie intake, monitoring of heart rate, and movement and actions for a day wholly.
Wearable trackers technology, as well as its appearance, has rapidly improved over the years. Before, they used to resemble chunks of plastic wrapped around the wrist of the user, but nowadays, they are smother and more fashionable in the appearance of a classy wristwatch. And sometimes, they come in the form of a bracelet, which has triggered the use of these gadgets.
If you are using a non-wearable tracker, it means you situated a device in apart of your room to monitor your sleep. Usually, they come with a thin band alongside a sensor, which you connect to your bed or beneath your bed sheet. Then, the gadget will measure several analytic, such as heart rate, respiration and typical moment to and fro the bed.
In this category, there are some products which incorporate improvement features such as unique lightning effect, neat alarm timers according to your sleep phase, soft music, and still, warming features to ensure that your bed is at best possible temperature.
Also, some brands do not require you to put a sensor inside your bed; that is, stand-alone trackers that stand on your night table, and surprisingly, monitor the slightest body movements.
How Do Sleep Trackers Work?
Sleep trackers come in two distinct types, which are wearable sleep trackers and non-wearable sleep trackers or standalone no-contact systems. As the wave types also come as fitness trackers, such as Smartwatches or wristbands, the non-contact forms have a design that allows you to connect them to your bed, usually through a thin strip of fabric that you place under your mattress or a cover that lies in between your bed and bedsheet. Also, you might find sleep trackers as apps on Smartphones, although you will find more genuinely in some tangible models.
The least sleep trackers do is to monitor the time you sleep, your wake-up time, and your sleep duration. You might be wondering how they do all these!
As for wearable sleep tracker, they use actigraphy to monitor sleep. Actigraphy tracks movements via the accelerometer present in the wearable gadget. And, like the accelerometer in your Smartphones, the accelerometers in wearable devices can also sense your changes and measure the number of steps you take. For instance, if you are motionless for an extended period, as you do while sleeping, the accelerometer takes note of this situation and likens it to total sleep duration.
Contactless devices, on the other hand, do not make contact with your body, and can, therefore, not know when you walk around. Instead, since they are connected to your bed, and they use infrared technology, alongside movement sensors in the strip of fabric, they can detect when you are awake. And, they use ballistocardiography to determine alterations in the rate of your heart.
Also, several wearable sleep trackers incorporate heart rate tracking capacity. As these devices have a principal aim to see your cardio fitness level, as you sleep and go through different sleep phases, your heart rate lowers.
Superior sleep trackers can determine how quality your sleep is, by calculating how much time you spend in each stage of sleep. Nightly, we undergo four sleep stages, which are; awake, light, deep and REM. And, every night, we go through the same processes over and over again. Sleep trackers determine how much time you spent in each stage of sleep according to the changes in your heart rate and the total time you spent in sleeping.
The efficiency of sleep trackers is still argued by scientists, who generally concur that sleep trackers are rationally correct at knowing your asleep or awake mode. Nonetheless, there is not much proof that these devices are 100% accurate at determining how much time a person spent on each sleep stage. Whatever way you turn to, it would be a rational choice for you to use a sleep tracker to track your sleep if you have problem with abiding by a standard sleep schedule and getting enough sleep nightly.
As for how to use sleep trackers, if you are using wearable types, you merely need to wear it, and if you are using o-contact models, just jump into bed!
The heart has become a significant factor because it can show different sleep stages, including light, deep and REM scenes. And, the technology can determine sleep stages as different sleep stages come with varying rates of heart, and although the device doe not always interpreted heart rates correctly, it is still more useful than using only an accelerometer.
As heart rate is measured through four ways, the method will vary based on your tracker.
- Optical – light gauges flow of blood
- Bioimpedance –electrical movement determined via skin
- Ballistocardiography – contractions of heart give the foundation for measurement
- Non-contact sensors – radio waves identify heart rate, breathing, and movement
- EEG (Brain Activity)
EEG (electroencephalography) is used to measure brainwaves. EEG is a noninvasive process, which measures the brain’s electrical activity. In terms of monitoring sleep, it was used to identify sleep disorders, since the waves from the recordings can monitor states of waking and sleeping.
Also, scientists can use an EEG monitoring method to study the sleep stage in which the individual is.
Scientists place several (sometimes, up to 256) electrodes on the scalp of the individual and connect every electrode to the individual wire, which they link to a monitoring station to obtain an EEG recording. Also, they will apply a conductive gel or paste to the scalp of the patient, which is, imaginably, an eye-catching picture.
To take an EEG recording, scientists place various electrodes (up to 256!) on the subject’s scalp and connect each electrode to an individual wire, which then joins to a monitoring station. Also, the patient will have a conductive gel or paste rubbed to their scalp, that as you can imagine, makes for quite an attractive image.
Sleep Tracker Buying Advice
It is essential to note the different types of sleep trackers available before taking a step further or explaining the factors to consider when purchasing a sleep tracker. The majority of sleep trackers also function as fitness trackers, because both feature the same set of sensors, although not all of them require the same sensors. This type of sleep trackers ae=re mostly wearable, and thus, become a problem for several individuals.
In that part of the market, other options are available, including Beddit and the Beautyrest Sleep tracker, which are fundamentally sensors, which you lay between your sheets and bed or under your mattress. And, as you lie on them, they track your sleep.
Well, below are the factors to consider when purchasing a sleep tracker.
- Design: Design is potentially the most significant factor to consider when purchasing a sleep tracker. You have to make sure that the sleep tracker is comfortable for wearing for long durations, and during sleep. However, different people will find comfort in various forms of sleep trackers, so it is essential to find out what will suit you. Several sleep trackers have quite modest designs and have a soft cover, which will prevent skin irritation in the long run. Nonetheless, it is reasonable to check the user reviews os the sleep tracker you intend to buy, to avoid any possible comfort-related problems. As aforementioned, not all sleep trackers are wearable, though you will likely pay more for a non-contact sleep tracker, compared to a wearable one. However, if you choose a wearable one, watch out for displays; because, although a show is useful for operation, you might mistakenly get the screen damaged while sleeping, and the noise or pain may wake you up. So, it is not very suitable.
- Battery life: Battery life is another essential factor to consider while buying a sleep tracker. It is more reasonable to buy a sleep tracker which, after a full charge, will last for more than two days. Besides, there is a possibility that you will forget your charger or forget to charge the device, and the battery will run out during the night. Also, there is a various type of cells to choose from. While some sleep tracers use rechargeable batteries which are easier to use but do not last long, other sleep trackers, such as the Misfit Ray proudly supports a 6-month battery life, as they use batteries of conventional watches. Yes, you shouldn’t forget that the moment the battery runs it, you will have to look for a battery for replacement alone.
- Advanced tracking: A sleep tracker might be able to provide you with more tracking capacities than its counterparts, based on its design and price. Mostly, sleep trackers provide you with sleep and wake times with log standard. While you will find the different sleep stages you are at night, other sleep trackers offer more features. There are sleep tracker, which monitor your heart rate while resting throughout the night, or the air quality and environment noise, and notifications about if you have been snoring throughout the night. Thus, you will be able to identify sleep-disturbing environmental factors. You also have to know if you need the advanced functions or not, since the price is based on the number of features in the device.
- App design: Yes, the hardware is quite significant, because if it does not have a relevant App to su[ppot it and look into your recorded statistics, it is entirely pointless. Also, if possible, try as much as possible to look at the sleep tracker’s reviews, which accompany the app before purchasing one. And, according to those mentioned above, try to check user reviews. Also, note that cheaper trackers are usually of low quality, since most of their companies focus on making the hardware as cheap as they could, and not focusing on how to further develop the app. For those of you using iOS, check for trackers, which integrate with Apple Health Apps, to enable you to improve your personal health further, that it, when you adopt fitness and eating tracking, etc.
How the Professionals Track Sleep
Sleep trackers for mass use are small and efficient in an aesthetic combination of appearance and utility. The professionals do not track sleep that way.
In a laboratory, professionals connect various wires, tubes, and electrodes to almost everybody part of the individual. The tool monitors multiple signals to determine the activity of the person accurately.
This procedure is known as polysomnography (PSG). Yes, this word is derived from Latin.
As poly means “many,” it describes the several tests that the experts conduct during the course. And, “Some” is a Latin word, meaning “sleep.”
Mass-market sleep trackers are usually only based on heart rate, body movement, and other shallow factors, while the expert tests also include brain waves measurement, muscle tension, eye movement, airflow, oxygen levels, and snoring activity volume and frequency.
Perhaps you think that all those wires connected to someone’s body clinical setting type would inhibit their natural patterns. Sure! You have just fished out the major critic of professional sleep monitors, although it is still the most correct, and best way to track also.
Essential Tips for Sleep Tracker Shoppers
Check the following tips before you buy a sleep tracker. With t, you will easily find what toy is looking for!
The kind of sleep tracker you desire: Those of you who will feel uncomfortable with wearing stuff on your wrist at night will prefer below-the-mattress sleep trackers.
If you intend to do more tracking beyond sleep: Those of you who are interested in monitoring your activity level, diet, etc., a double fitness/sleep wearable device is preferable.
- Your budget: The cost of a sleep tracker can vary between $50 to $300, based on the model and type. The prices generally increase with the features and information included, and you will pay more for a contact-free sleep tracking than if you settle for its wearable counterparts.
- The kind of phone you have: It's pointless to have a sleep tracker if you cannot read data with it. Most superior sleep trackers are iOs and Android-compatible, although you should crosscheck if it is compatible with your phone before purchasing it.
- If you like the app: Since you will be using the app to check your data and suggestions, you should check the app and see if you want its functionality. Also, check the manufacturer’s website for preview videos, check the app store for screenshots, and the reviews online.
- How you will clean your sleep tracker: If you use a no-contact sleep tracker, you can wipe the fabric with a wet cloth, leave it to dry then put it back under your bedsheet. And, if the sensor can be removed from the cover, you might be able to wash it with a machine, if you first remove the sensor and unplug it. Even if the sleep tracker is water-resistant, manufacturers majorly say to use a soap-free cleanser to quickly rinse the device to remove your sweat or chemicals, such as lotion.
- The color and size you want: If you are using a wearable device, and for fitness tracking too, it will always be on you, and s, you must make sure that you like its appearance. Usually, there are many available stylish colors and sizes for different brands so that you can pick your choice
Frequently Asked Questions
How accurate are sleep trackers?
Often, people question the accuracy of sleep trackers in terms of distinguishing motionlessness in bed from sleeping.
Advantageously, most sleep tracker nowadays uses heart rate to judge your sleep condition. I also discovered that compared to budget tracks, which use only body movements, they are more accurate.
In terms of full sleep stage tracking, it is not easy to determine the accuracy of any model. Besides, even if they are accurate, you cannot put all the data provided in a lot of use.
Thus, what I mean is; even though you will find sleep reports amusing, I make sure not to worry about the data. And, if the data shows that it did not have enough sleep, it instead tries to get more sleep the following night.
More importantly, sleep trackers have helpful features, such as sleep coaching and reminders to help you abide by a sleep plan. These features will undoubtedly aid your sleep pattern in the long run.
If you need more details about the accuracy, i would recommend my article about the operating pattern os sleep trackers.
Also, if you want to compare different models side by side, I made use of the Fitbit Versa, Emfit QS, Beauty rest and a manual diary for sleep concurrently, and took note of the accuracy of the sleep tracking.
Who needs it?
The analytics on sleep disorders and the catastrophic disadvantages inadequate shuteye are astounding. In the United States only, approximately 50 to 70 million adults suffer from a sleep disorder.
Perchance the most disturbing part is that there is an annual record of 100,000 deaths in US hospitals owing to medical errors. And, it has been shown that sleep deficiency is a major contributing factor.
As several experts, athletes and even parents depend on sleep trackers to know the quality and quantity of their sleep; sleep tracking is not ordinarily a measure for safety. Besides, also if you are not keen on tracking your sleep for serious purposes, I guess it will still be kind of fun to know what goes on with your body nightly.
What amount will you pay for a restful sleep night? You can secure something that will positively improve your sleep, just with a few dollars in a month.
As they say that measured things improve, monitoring your sleep and actively trying to improve your sleep will directly translate to a significant difference in your life quality without spending lots of money.
Also, as sleep tracking is not just a measure for safety, it is a way of improving the quality of your sleep, as well as your life. Imagine you wake up with so much energy and liveliness, even without getting as much sleep as you anticipated. And, I guess it feels very pleasing to see your data improving in the long run, and be able to link it to improved moods, additional concentration, and better performance in general.
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